.header
    position: fixed
    top: 0
    width: 100%
    z-index: 1
    .logo-box
        float: left
        width: 120px
        height: 35px
        margin: 16px 24px 16px 0
        background: rgba(255, 255, 255, .3)
        text-align: center
        line-height: 35px
        .logo
            width: 100%
            height: 100%
